.container {
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-sizing: border-box;
}

.content {
  background: white;
  border-radius: 20px;
  padding: 40px 30px;
  max-width: 400px;
  width: 100%;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.logoSection {
  margin-bottom: 30px;
}

.logo {
  width: 100px;
  height: 100px;
  border-radius: 20px;
  margin-bottom: 15px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.appName {
  font-size: 28px;
  font-weight: bold;
  color: #333;
  margin: 0 0 8px 0;
}

.appDesc {
  font-size: 16px;
  color: #666;
  margin: 0 0 20px 0;
}

.versionInfo {
  background: #f8f9fa;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 30px;
}

.versionItem {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}

.versionItem:last-child {
  margin-bottom: 0;
}

.versionLabel {
  color: #666;
  font-size: 14px;
}

.versionValue {
  color: #333;
  font-size: 14px;
  font-weight: 500;
}

.downloadSection {
  margin-bottom: 30px;
}

.downloadButton {
  width: 100%;
  height: 50px;
  border-radius: 25px;
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 15px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
}

.downloadButton:active {
  background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
}

.downloadNote {
  font-size: 12px;
  color: #999;
  line-height: 1.5;
}

.downloadNote p {
  margin: 2px 0;
}

.features {
  text-align: left;
  background: #f8f9fa;
  border-radius: 12px;
  padding: 20px;
}

.features h3 {
  margin: 0 0 15px 0;
  color: #333;
  font-size: 16px;
  font-weight: bold;
}

.features ul {
  margin: 0;
  padding-left: 20px;
  color: #666;
  font-size: 14px;
}

.features li {
  margin-bottom: 6px;
}

.features li:last-child {
  margin-bottom: 0;
}

/* 响应式设计 */
@media (max-width: 480px) {
  .container {
    padding: 15px;
  }
  
  .content {
    padding: 30px 20px;
  }
  
  .logo {
    width: 80px;
    height: 80px;
  }
  
  .appName {
    font-size: 24px;
  }
}